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Systematics of Crystal Structures and Crystallochemical Classifications of Minerals

  • P. B. Moore
  • G. B. Bokiy
  • J. Lima-de-Faria

Abstract

What is the goal of crystal structure analysis? What purpose does contemporary crystal structure analysis and refinement serve? The goal is to provide a correct structure solution and a high level of precision for the refined data. Modern technology can allow very precise data, indeed. Much of the quality of the data hinges on the quality of the crystal. A small, ground sphere has many advantages, as correction for absorption anisotropy is usually the most critical aspect in preparing good observed structure factors. Film data should always be collected in advance, and careful check for twinning, spot shape, and possible weak superstructure reflections can be more easily facilitated. The range in the final discrepancy index (R) should be below R = 0.06, and superior cases will provide R = 0.01–0.03.

Keywords

Structural Classification Crystal Structure Analysis Mineral Structure Unique Cation Inorganic Structure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • P. B. Moore
  • G. B. Bokiy
  • J. Lima-de-Faria

There are no affiliations available

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